Method and means of producing artificial silk



-I.I.KII SEE. METHOD AND MEANS OF PRODUCING ARTIFICIAL SILK.

APPLICATION FILED DEC.20| I919.

1,3 9,517, Patented Ah 30, 1 921.

WITNESS: 3 INVEN TOR.

UNITED/STATES PATENT OFFICE;

ISIDOB KI'ISEE, OF PHILADELPHIA, PENNSYLVANIA.

METHOD AND MEANS OF PRODUCING ARTIFICIAL Application filed December 20, 1919. Serial No. 848,420.

To all whom it may concern:

Be it known that I, Ismon KITSEE, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in the Method and Means of Producing Artificial Silk, of which the following is a specification.

My invention relates to an improvement in producing artificial silk.

Today, the most troublesome operation in the manufacture of artificial silk consists in theproduction (so called spinning) of the thread out of the individual fibers.

My invention has for one of its objects, to produce the spinning automatically without re uiring the removal of the individual fibers rom the coagulation bath.

Today the receptacles containing the dissolved cellulose are stationary and the number of nipples with which each of the containers is provided has no reference to the number of fibers out of which each thread is to be spun.

My invention contemplates, that the receptacle, or at least that part having the nipples attached to it should be revoluble, and that each of the receptacles should have nipples or other means of outflow to form the fibers of a number equal to the number of fibers out of which the thread has to be spun. In accordance with my invention there fore it is contemplated that a series of individual containers should be employed, one container independent of the other container, each container provided with outlets for the fiber, sufficient in number for one thread,

these outlets being revoluble. As it is necessary for me to show some means, so that persons versed in the art may practice this my invention, I have illustrated in the accompanying drawing some mechanical means to produce the desired result. But it has to be expressly stated, that these mechanical means may be altered to suit requirements. In fact, in the ractical application on large scale, I have ound 1t convenient to alter some of these means, and as I will make separate applications for these means, I thought it best to illustrate here these means only in broad outlines, so as to resent a guide for the'productlon of the evice.

In the accompanying drawing :}Figure 1 1s a vertical sectional view partly in elevatlon 'of the device embodying my inventlon. Fig. 2 is a fragmentary sectional view partly in elevation of the lower portion of the receptacle containing the cellulose solut1on F i 3 is a bottom view of Fig. 2 illustratmg t e arrangement of the so called nipples for the discharge of the cellulose solution. Fig. 4 is a section on the line 4-4 of Fig. 1, illustratin the adjustable rollers through which the .t read is carried. Fig. 5 is a vertical section through the orous drum upon which the thread 1s wound In these figures, 1 is the receptacle containing the cellulose solution, provided with its removable cover, securely fastened thereto, 2 indicates the lower part thereof, adapted to be revolved by the means 11. The lower part has to be secured to the upper part in a manner, sothat no leak is produced through the pressure required for the forcing 0 the dissolved cellulose. I have here illustrated the container to consist of the I stationary part and the revoluble part, for

the reason that in some cases the revolving of the whole container, if the same is of ver large dimensions, may involve the expenditure of too great an energy; but when the containers are of comparative small dimensions, the whole container with its outlets may be revolved. 3 indicates the outlets in the form of nipples or otherwise and the arran'gement of these nipples so that the outlet parts or points may come in close proximity and to one center is clearly illustrated in Fig. 3. I have illustrated these outlets as six in number, as I take it for granted that the thread to be formed has to consist of; six

Specification of Letters latent. Patented Aug. 30, 1921 individual fibers, but it is obvious that the it is required the conversion of the individual fibers into one thread can be produced by the process of interlacing or other process of interweaving or spinnin 6 illustrates two adjustable and revolu 1e rollers provided each with a recess or groove through which, if so desired the thread may be carried so as to more securely compact the same. 7 is a revoluble drum or cylinder, by preference made of a porous material, such for instance as unglazed pottery-ware or it may consist of a screen like structure of metal or other suitable material, so that the coagulating liquor ma the thread on both sur aces. This drum or cylinder is here shown as to be revolved and to have a to and fro movement with the aid of means, such for instance as shown at 8. 9 is the container for the coagulating liquid. I am aware that the nature of this liquid varies in difi'erent factories, but as my invention may be practised with all suitable coagulating baths it is not necessary for me to give here the chemical constituents of this bath,more especially so as this will form the subject matter of another application. 10 indicates the means, here as part of a pipe to produce the required pressure with the aid 'of pneumatic devices, but it is obvious that other means such as depend entirely on gravity may be substituted therefor.

Broadly speaking the operation conslsts as follows :'Ihe operator after having filled the container 1 with the cellulose solution, applies for a short period the pneumat c or other pressure, so as to force out the individual fibers for a length sulficient to carry them to the drum or cylinder. He then twists or otherwise combines the fibers into one thread. He carries this thread through the compression rollers and secures the end to the drum. After this operation is completed, the means 11 and 8 are put in active operation and the pressure at 10 is again applied. The fibers will again issue from the orifices 3, the part 2 of the container will revolve, spinning thereby the individual fibers into one thread, through the compression rollers the thread will be carried downward and through the revolving of the drum or cylinder the thread will be wound on same. In some cases it may be required to change the drum after one layer is completed, in

some cases it may be desired to wind one.

layer on top of the other layer, and for this reason the means 8 will allow a to and fro movement of the drum. In the latter case flanges may be provided at the end of the drum so that the fibers should not roll ofi.

The nature of the coagulating bath does not form-part of this application and the difl'erent chemical constituents of the preferred solution will form the subject matter of a separate application.

If desired a suitable dye may be added to the coagulation bathpr the cellulose solution may be tinted with said dye.

I havedescribed the method and means, according to which the thread is produced and wound, when still in the coagulating liquor, but if so desired the thread or the inbe able to attack I have not described here the-method and 7 means of increasingthe luster of the roduced thread, so also have I not descrlbed the method and means of winding the thread from the drum or cylinder into hanks ready for market, automatically and without requiring'manuallabor, as both of these methods will be subject matters of separate applications and as it is my desire to file a general application covering the whole process, beginnin at the raw material, embracing all the di erent steps and ending with the entire finished product I will only state here, that this application will embrace all required details, so that persons versed in the art may readily practise the same.

.Havlng now described my invention, what I claim as new and desire to secure by Letters Patent is 2- 1. In the art of roducing artificial silk the improvement which consists in exerting a pressure on the roduced thread during the time that said t read is carried through the coagulating bath.

2. In the art of producing artificial silk the process' which consists in automatically forcing a series of fibers from a suitable solution, bringing these fibers into one thread compressing said thread and winding the same on a suitable support without severing the continuance of the fiber from the source of supply.

3. In the art of producing artificial silk the method of automatic means to spin or otherwise roduce one thread out of a series of fibers without breaking the contact of the carry said thread to a predetermined point.

4. In the art of producing artificial silk the method of automatic means to spin or otherwise produce one thread out of a series of fibers without breaking the contact of the fibers with the source of supply in combination with automatic means to compress and carry said thread to a predetermined point and in further combination with means to automatically wind said thread on a suitable support. v

5. In a device of the class described a porous support ada ted to carry the produced thread of artificia silk.

6. A device of the class described adapted to form out of a series of fibers, one compacted individual thread and to wind the mechanical unit comprising a reservoir adapted to contain the re uired cellulose solution, means to force in ividual fibers out of said reservoir, means to compact said incompact in one continuous operation the redividual fibers into one individual thread, quired thread of artificial silk without re- 10 means to compress said thread and means to moving the same from its source of supply. Wind said thread on a suitable support, said In testimony whereof I affix my signature. fibers and threads passing through a coagu- ISIDOR KITSEE. lating bath. Witnesses:

8. In the art of producing artificial silk a E. E. MILLER, mechanical unit adapted to produce and. DUFF C. LAW. 

